.eslintrc.json

{
     "env": {
         "browser": true,
         "es6": true,
         "node": true,
         "mocha": true
     },
     "extends": "airbnb",
     "parser": "babel-eslint",
     "parserOptions": {
         "ecmaFeatures": {
             "experimentalObjectRestSpread": true,
             "jsx": true
         },
         "sourceType": "module"
     },
   "settings": {
     "import/resolver": {
       "node": {
         "paths": ["src", "server"]
       }
     }
   },
     "plugins": [
         "react"
     ],
     "globals": {
       "document": true,
       "console": true,
       "process": true,
       "window": true,
       "fetch": true,
       "describe": true,
       "expect": true,
       "fail": true,
       "it": true
     },
     "rules": {
         "arrow-parens": [2, "as-needed", { "requireForBlockBody": false }],
         "linebreak-style": ["error", "unix"],
         "semi": ["error", "always"],
         "no-shadow": 2,
         "no-unused-vars": 2,
         "object-property-newline": ["error", { "allowMultiplePropertiesPerLine": true }],
         "no-trailing-spaces": 2,
         "space-before-blocks": ["error"],
         "keyword-spacing": ["error"],
         "no-magic-numbers": ["error", { "ignore": [-1, 0, 1] }],
         "no-restricted-globals": [0, "error", "event", "fdescribe"],
         "react/button-has-type": 0,
         "react/forbid-prop-types": 0,
         "react/jsx-uses-vars": 2,
         "react/jsx-uses-react": 1,
         "react/jsx-filename-extension": 0,
         "react/prop-types": 2,
         "react/jsx-one-expression-per-line": 0,
         "react/jsx-wrap-multilines": 0,
         "import/prefer-default-export": 0,
         "comma-dangle": ["error", "always-multiline"],
         "no-cond-assign": ["error", "always"],
         "jsx-a11y/anchor-is-valid": [
           "error",
           {
             "components": ["Link"],
             "specialLink": ["hrefLeft", "hrefRight", "to"],
             "aspects": ["noHref", "invalidHref", "preferButton"]
           }
         ],
         "jsx-quotes": ["error", "prefer-double"],
         "no-multiple-empty-lines": [2, { "max": 1, "maxEOF": 1, "maxBOF": 0 }],
         "quote-props": [1, "as-needed"],
         "implicit-arrow-linebreak": 0,
         "object-curly-newline": 0
       }    
 }